How does the amount of force used change

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In science, work is defined as using a force to move something a distance. The formula for work W (in joules) is W = f x d where F is the force (in newtons) and d is the distance (in meters).
Part A: Explain how to solve the formula for force.
Part B: Chantelle pushes a box 4.5 meters, doing 144 joules of work. What force does she use to push the box?
Part C: Chantelle then pushes the box 9 meters, twice as far as in Part A. She does the same amount of work as in Part A, 144 joules. What force does she use?
Part D: In general, if the distance an object is moved is doubled, but the amount of work done does not change, how does the amount of force used change?

Reference no: EM13667780

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